I just got done installing my floating QRS clutch from the Doodoctor and I got to ride it yesterday, all I have to say is WOW no more hot belt what so ever It used to be whenever I rode, the belt would get so hot you couldnt touch it with your bare hand, after riding 20 miles I put my hand right on it and it was kinda warm and that's it. Brian is a great guy and helped me with everything I needed including high torque rollers also, cant wait for the mountains of Colorado to really test it out If you havent seen it here it is http://www.youtube.com/watch?v=5ZEiIR4eEbU